AMP-TRAP®–Form 101 A120X SEMICONDUCTOR PROTECTION FUSES A120X Amp-trap® Form 101 Semiconductor Protection fuses, rated 1/2A through 30A, 1200VAC are popular for use in traction drive auxiliary circuits and similar applications. A120X fuses are also suitable for use on 1000VDC auxiliary circuits with low time constants. Features / Benefits ➤ 1000 Volt DC rated for wide range of circuits ➤ Compact size fits in where competitive sizes will not fit Approvals Ratings ➤ Ferraz Shawmut Certified ➤ AC: 1/2-30A 1200VAC, 100kA I.R. ➤ DC: 1/2-30A 1000VDC, 100kA I.R. L/R = 10ms Catalog Numbering System HIGHLIGHTS: Fast Acting ➤ Current Limiting 2 ➤ Low l t ➤ Compact Size ➤ APPLICATIONS: ➤ Protection of traction drive auxiliary circuits, etc. Amp-trap® Fuse Rated Volts - 1200 Style (Fast acting, low l2t) Amperes* A 120 X 25 Common Mounting Type* Ferrule Dimensions - In (mm) A 120 X 25 - 1 1 * For ampere ratings and types not listed, call Technical Services. Standard Fuse Ampere Ratings Catalog Numbers Single Pole Fuse Block for A120X Fuses FUSE AMPERE RATING FUSE BLOCK CATALOG NUMBER 1/2-30 P292 D 44 AMPERE RATING CATALOG NUMBER AMPERE RATING CATALOG NUMBER 1/2 1 2 3 4 5 A120X1/2-1 A120X1-1 A120X2-1 A120X3-1 A120X4-1 A120X5-1 6 10 15 20 25 30 A120X6-1 A120X10-1 A120X15-1 A120X20-1 A120X25-1 A120X30-1 AMP-TRAP®–Form 101 A120X SEMICONDUCTOR PROTECTION FUSES Current in Amperes Melting Time – Current Data, 1200V Fuses A120X1/2 to 30 Time in Seconds Peak Let-Thru Current Data – A120X2 to 30, 1200 Volts AC Maximum Instantaneous Peak Let-Thru Amperes I2t Data – 1200 Volts AC, 100kA FUSE AMPERE RATING 1/2 1 2 3 4 5 6 10 15 20 25 30 Available Current in RMS Symmetrical Amperes D 45 I2t DATA MELTING CLEARING (A2s) (A2s) .10 .40 4.3 8.9 10 18 29 500 1100 2000 3100 4400 1.9 7.5 30 69 120 190 280 970 2100 3700 5700 8300 D